Engineeringness on MSN

How Do LEDs Make Light From Electricity?

They’re in your phone, TV, car headlights, remote controls—even traffic lights. LEDs (Light Emitting Diodes) are everywhere.
Taste The Code on MSN

Safely Test AC Electronics with a Dim Bulb Current Limiter

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...
Interesting Engineering on MSN

New smart cup sticker delivers instant vitamin C readings from fingertip sweat

A battery-free sticker reads vitamin C levels from fingertip sweat by turning any drinking cup into a smart health sensor.